<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
    <!-- 引入ElementUI样式 -->
    <link rel="stylesheet" href="https://unpkg.com/element-ui/lib/theme-chalk/index.css">
    <script src="https://unpkg.com/vue/dist/vue.js"></script>
    <!-- 引入ElementUI组件库 -->
    <script src="https://unpkg.com/element-ui/lib/index.js"></script>

</head>

<body>
    <div id="app">
        <el-row class="tac">

            <el-col :span="12">
                <h5>默认颜色</h5>
                <el-menu
                        default-active="2"
                        class="el-menu-vertical-demo"
                        @open="handleOpen"
                        @close="handleClose">


                    <el-submenu index="1">
                        <template slot="title">
                            <i class="el-icon-location"></i>
                            <span>导航一</span>
                        </template>

                        <el-menu-item-group>
                            <!--<template slot="title">分组一</template>-->
                            <el-menu-item index="1-1">
                                <i class="el-icon-arrow-right"></i>
                                <spqn>飞行</spqn>
                            </el-menu-item>

                            <el-menu-item index="1-2">
                                <i class="el-icon-arrow-right"></i>
                                <spqn>飞行</spqn>
                            </el-menu-item>
                        </el-menu-item-group>

                    </el-submenu>


                    <el-submenu index="2">

                            <template slot="title">
                                <i class="el-icon-menu"></i>
                                <span >导航二</span>
                            </template>

                        <el-menu-item-group>
                            <el-menu-item index="2-1">
                                <i class="el-icon-arrow-right"></i>
                                <spqn>攀岩</spqn>
                            </el-menu-item>
                        </el-menu-item-group>
                    </el-submenu>


                    <el-menu-item index="3">
                        <i class="el-icon-setting"></i>
                        <span slot="title">导航三</span>
                    </el-menu-item>

                </el-menu>
            </el-col>

            <el-col :span="12">
                <h5>自定义颜色</h5>
                <el-menu
                        default-active="2"
                        class="el-menu-vertical-demo"
                        @open="handleOpen"
                        @close="handleClose"
                        background-color="#545c64"
                        text-color="#fff"
                        active-text-color="#ffd04b">
                    <el-submenu index="1">
                        <template slot="title">
                            <i class="el-icon-location"></i>
                            <span>导航一</span>
                        </template>
                        <el-menu-item-group>
                            <template slot="title">分组一</template>
                            <el-menu-item index="1-1">选项1</el-menu-item>
                            <el-menu-item index="1-2">选项2</el-menu-item>
                        </el-menu-item-group>
                        <el-menu-item-group title="分组2">
                            <el-menu-item index="1-3">选项3</el-menu-item>
                        </el-menu-item-group>
                        <el-submenu index="1-4">
                            <template slot="title">选项4</template>
                            <el-menu-item index="1-4-1">选项1</el-menu-item>
                        </el-submenu>
                    </el-submenu>
                    <el-menu-item index="2">
                        <i class="el-icon-menu"></i>
                        <span slot="title">导航二</span>
                    </el-menu-item>
                    <el-menu-item index="3">
                        <i class="el-icon-setting"></i>
                        <span slot="title">导航三</span>
                    </el-menu-item>
                </el-menu>
            </el-col>
        </el-row>

    </div>
    <script>
        export default {
            methods: {
                handleOpen(key, keyPath) {
                    console.log(key, keyPath);
                },
                handleClose(key, keyPath) {
                    console.log(key, keyPath);
                }
            }
        }
    </script>

    <script>
        new Vue({
            el:'#app'
        });
    </script>

</body>
</html>